New Study Suggests Large Regions Of The Pacific Ocean Have Been Cooling For The Last 80 Years

By Kenneth Richard

The Pacific Ocean covers about one-third of the Earth’s surface. Much of it has been cooling in this era of “global” warming.

New research indicates there has been “cooling of the Pacific sector on decadal timescales during 1940-2020,” including robust cooling reaching -0.4°C per decade from 2005-2019 (even “exceeding -0.9°C per decade during 2005-2010”).

“…observations find a significant cooling of the South Pacific Ocean during 1979-2013”

“…cooling of the Pacific sector on decadal timescales during 1940-2020 in the reanalysis data”

“Sea surface temperature has been decreasing in the southwest Pacific Ocean since 1979, where the cooling has reached -0.9°C per decade during 2005-2010.”

“The warming trend in the Indian sector reaches 0.2°C per decade, and the cooling trend in the Pacific sector reaches -0.4°C per decade during 2005-2019.”

Pacific Ocean cooling is not just confined to the near surface, but also to the deep ocean.

“We further suggest that the Pacific cooling is robust from the surface to the deep, and can even reach the intermediate ocean up to 1500 m rather than being limited to the mixed layer.”

“The cooling trend is also significant in the deep 1000 m, reaching -0.2°C per decade.”

Image Source: Ni et al., 2026

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6 Comments
October 16, 2026 7:11 am

Waiting for the trendologists to jump on this one.

Reply to  Phil R
October 16, 2026 7:15 am

Actually, …ology means learning or the study of. Mancy means divination or magical insight (like necromancy). They should properly be called trendomancers who practice trendomancy.

Reply to  Phil R
October 16, 2026 7:31 am

Yes, soothsaying. Trendologists don’t study climate, they study trends.

strativarius
October 16, 2026 7:15 am

I wonder, is the description as ‘robust‘ code for model free?

Either way, would you be at all surprised to know that there is nothing in the UK msm on this study whatsoever? The Guardian, BBC etc have memory-holed this counter-narrative heresy at birth. In fact, the Guardian is busy plugging a new climate doom tool…

Just what damage can the emissions from a new fossil fuel facility cause? A new tool has estimates
From crop failures to coral bleaching, a new tool developed by climate scientists aims to predict in detail the impacts of each megatonne of carbon emissions

The Carbon Impacts Tracer uses peer-reviewed studies to estimate the impact of every megatonne of emissions on people and the environment. Here, you can see how the emissions from a coalmine expansion in Australia’s Hunter Valley could affect food security and human exposure to heat stress globally.

[Never mind the bolleaux…]

There are further predicted impacts from releasing 809m tonnes of emissions not listed in the graphic above, including an estimated 107 deaths in Europe, 41,800 additional people put into extreme poverty, 19.4km square of additional glacier area lost, and 38.8m additional heavy labour hours lost annually. – The Guardian

The ‘Carbon Impacts Tracer‘ has a report generator…

Select a fossil fuel extraction project or company, or enter custom emissions, to trace the pathway from emissions to global warming and its impacts across regions and sectors.

Think of a [big] number.

Reply to  strativarius
October 16, 2026 7:17 am

a new tool developed by climate scientists aims to predict in detail …

Carbonomancy…

(I’m going to keep this up until it catches on). 🙂

strativarius
Reply to  Phil R
October 16, 2026 7:26 am

I’m a certified Carbophile. Deep down most people are.